JP2004027689A - Locking device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a locking device manufacturable at a low cost while improving operability. <P>SOLUTION: This locking device is provided with a fingerprint input part 23 and a fingerprint collation part and constituted to input fingerprint data by the fingerprint input part 23, to collate the inputted fingerprint data with previously registered fingerprint data at the fingerprint collation part to perform personal authentication and to permit unlocking when acquiring the personal authentication. The locking device is provided with a storage part 19 for accommodating the fingerprint input part 23, and an opening/closing the storage part 19. A switch of a power circuit is interlockingly constituted at the opening/closing body 25, and the circuit is constituted to switch the power circuit on/off by the opening/closing of the opening/closing body 25. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a locking device that enables unlocking by fingerprint collation.
[0002]
[Prior art]
As a conventional locking device, for example, there is one shown in FIGS. 8 and 9 described in JP-A-2002-70382. FIG. 8 is a front view of a main part of the door 101 viewed from the outside, and FIG. 9 is an enlarged perspective view of the operation unit 103.
[0003]
The operation unit 103 includes a housing 105 attached to the door 101. A fingerprint input unit 107 is provided in the housing 101. The fingerprint input unit 107 is arranged in the housing 109 of the housing 105, and the opening 111 of the housing 109 can be opened and closed by a lid 113. The lid 113 always closes the opening 111.
[0004]
The locking device is supplied with necessary power from a battery or a DC power supply. The power switch is turned on, for example, by putting a finger on the fingerprint input unit 107 and pressing it.
[0005]
When unlocking the door lock, the power switch is turned on by opening the lid 113, putting a finger on the fingerprint input unit 107, and pressing the fingerprint input unit 107. Next, fingerprint data is read by the fingerprint input unit 107, and the fingerprint data is input. The input fingerprint data is collated with registered fingerprint data registered in advance by the fingerprint collation unit, and when the personal identification is successful, the door lock is unlocked.
[0006]
[Problems to be solved by the invention]
However, with the above-described structure, it is necessary to perform a troublesome operation of opening the lid 113 and then pressing the fingerprint input unit 107 to turn on the power switch, resulting in a problem of poor operability. .
[0007]
Further, since the fingerprint input unit 107 is pressed to turn on the power switch, there is a problem that the fingerprint input unit 107 is easily damaged and durability is impaired.
[0008]
In addition, the power switch must be turned off using a timer or the like, which causes a problem that the apparatus becomes expensive.
[0009]
An object of the present invention is to provide an inexpensive locking device having good operability, durability and low cost.
[0010]
[Means for Solving the Problems]
The invention according to claim 1 includes a fingerprint input unit and a fingerprint collation unit, wherein fingerprint data is input by the fingerprint input unit, and the input fingerprint data is compared with registered fingerprint data registered in advance by the fingerprint collation unit to identify the user. In a locking device for performing authentication and unlocking when personal authentication is completed, a housing for accommodating the fingerprint input unit is provided, an opening / closing body for opening and closing the housing is provided, and a power supply circuit is provided in the opening / closing body. Are interlocked, and the power supply circuit is turned on / off by opening and closing the opening / closing body.
[0011]
According to a second aspect of the present invention, in the locking device according to the first aspect, the opening and closing body is formed of a conductive material and grounded.
[0012]
A third aspect of the present invention is the locking device according to the first or second aspect, wherein the housing portion is formed in a shape into which a finger is inserted from an opening, and the fingerprint input portion intersects the insertion direction. The opening / closing body is housed in the housing part, and the opening / closing body is supported so as to be pushed open so as to be pushed into the housing part, and an urging member for urging the opening / closing body to a position for closing the opening is provided. It is characterized by the following.
[0013]
【The invention's effect】
According to the first aspect of the present invention, a fingerprint input unit and a fingerprint matching unit are provided. Fingerprint data is input by the fingerprint input unit. The fingerprint matching unit compares the input fingerprint data with registered fingerprint data registered in advance. Authentication can be performed, and unlocking is enabled when the user is successfully authenticated.
[0014]
The fingerprint input unit is housed in a housing unit, and the housing unit can be opened and closed by an opening / closing body. A switch of a power supply circuit is interlocked with this opening / closing body, and the power supply circuit can be turned ON / OFF by opening / closing the opening / closing body. Therefore, no special switch operation is required, and operability can be improved.
[0015]
Further, since the power supply circuit is turned ON / OFF by opening and closing the opening / closing body, there is no need to press the fingerprint input section, and the durability of the fingerprint input section can be improved.
[0016]
Furthermore, there is no need to use a timer or the like to turn off the power supply circuit, and the device can be manufactured at low cost.
[0017]
According to the second aspect of the present invention, in addition to the effect of the first aspect, the opening and closing body is formed of a conductive material and grounded. Therefore, when the opening and closing body is opened to input fingerprint data at the fingerprint input unit, the opening and closing body is opened. , The operator's static electricity can be released, and the fingerprint input unit can be protected from the static electricity.
[0018]
According to the third aspect of the present invention, in addition to the effects of the first or second aspect, the housing portion is formed in a shape to insert a finger from an opening, and the fingerprint input portion is positioned in a direction intersecting the insertion direction. It is stored in the storage unit, and the openable body is supported so as to be able to be pushed open so as to be pushed into the storage unit.When inputting fingerprint data with the fingerprint input unit, the openable body is pressed so as to be pushed into the storage unit. Fingerprint data can be input simply by inserting a finger, and operability can be further improved.
[0019]
Further, since an urging member for urging the opening / closing body to a position for closing the opening is provided, when the finger is pulled out of the housing portion, the opening / closing body automatically returns to the position for closing the opening, and the power supply circuit is automatically turned on. Can be turned off. Therefore, waste of power can be reliably suppressed, and when a battery is used as a power source, the life thereof can be reliably increased.
[0020]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 is a perspective view showing a main part of the door. As shown in FIG. 1, an outdoor unit 5 of a locking device 3 is attached to the door 1. The locking device 3 includes a fingerprint input unit and a fingerprint collation unit. The fingerprint data input to the fingerprint input unit is collated with fingerprint data registered in advance by the fingerprint collation unit to perform personal authentication, thereby enabling personal authentication. Door lock can be unlocked.
[0021]
In the outdoor unit 5, a lever 9 is supported by a housing 7 fixed to the door 1. The door 1 can be opened by operating the lever 9. The housing 7 includes an LCD panel 13, a registration button 15, and a setting button 17 in addition to the fingerprint collation unit 11. The LCD panel 13 can display various functions. The registration button 15 allows the user to input a personal identification number. The setting button 17 can perform various settings.
[0022]
The fingerprint matching unit 11 will be described with reference to FIG. FIG. 2A is a cross-sectional view of a main part before finger insertion, and FIG. 2B is a cross-sectional view of a main part after finger insertion. As shown in FIGS. 1 and 2, the housing 7 is provided with a housing 19. The housing 19 is formed in a shape to insert a finger through an opening 21 provided in the housing 7. A fingerprint input unit 23 is provided in the accommodation unit 19 on the bottom side. That is, the fingerprint input unit 23 is housed in the housing unit 19 so as to be located in a direction crossing the insertion direction of the finger f (the left-right direction in FIG. 2).
[0023]
An opening / closing body 25 that opens and closes the housing portion 19 is provided in the opening 21 of the housing portion 19. The opening 21 and the opening / closing body 25 are formed in a rectangular shape when viewed from the front, and the opening / closing body 25 is just fitted into the opening 21 at the closed position of the opening / closing body 25.
[0024]
An upper end portion 27 of the opening / closing body 25 is formed, for example, in a key shape, and is rotatably supported on the housing 7 side by a shaft portion 29 provided integrally. A torque spring 31 is attached around the shaft portion 29, and one arm 33 is engaged with the housing 7 side, and the other arm 35 is engaged with the opening / closing body 25 side. Accordingly, the opening / closing body 25 is urged by the torque spring 31 to a position where the opening 21 is closed, and the torque spring 31 constitutes an urging member. The urging member is not limited to the torque spring 31, but various members can be used.
[0025]
At the closed position of the opening / closing body 25, the upper end portion 27 is positioned in contact with the upper edge portion 37 of the opening 21.
[0026]
The opening / closing body 25 is formed of a conductive material. As the conductive material, metal, plastic mixed with carbon fiber, conductive plastic, or the like can be used.
[0027]
A switch of a power supply circuit is interlocked with the opening / closing body 25, and the power supply circuit is turned on / off by opening / closing the opening / closing body 25. The opening / closing body 25 is grounded.
[0028]
FIG. 3 shows the circuit configuration. The locking device 3 includes, for example, a battery 39 as a power supply. When the battery 39 is provided, wiring and the like become unnecessary, and the battery 39 can be easily attached to an existing door. However, a DC power supply can be used as the power supply.
[0029]
The power supply circuit of the locking device 3 can be turned on / off by a switch 41. The switch 41 is linked to the opening / closing body 25. The opening / closing body 25 is grounded G.
[0030]
Then, normally, the opening / closing body 25 is positioned at a position where the opening 21 is closed by the urging force of the torque spring 31, and the switch 41 is in an open state. Accordingly, power is not supplied from the battery 39 to the locking device 3. Therefore, the locking device 3 is in the locked state, and the door 1 cannot be opened even if the lever 9 is operated.
[0031]
Next, when a person whose fingerprint data is registered in the fingerprint matching unit of the locking device 3 in advance operates, the finger f is first hit against the opening / closing body 25 as shown in FIG. At this time, the static electricity of the operator is immediately grounded by the ground G via the opening / closing body 25 formed of a conductive material as shown in FIG.
[0032]
Since the opening / closing body 25 is urged in the direction to close the opening 21 by the torque spring 31, when the opening / closing body 25 is pressed with the finger f, the finger f can be reliably brought into contact with the opening / closing body 25. , Static electricity can be reliably grounded.
[0033]
Next, when the finger f is directly inserted into the accommodating portion 19 as shown in FIG. 4, the opening / closing member 25 rotates around the shaft portion 29 as shown in FIG. 2B against the urging force of the torque spring 31. I do. By this rotation, the switch 41 shown in FIG. 3 is linked, and the battery 39 and the power supply circuit of the locking device 3 are closed. Therefore, power is supplied to the electric door lock, the fingerprint input unit 23, the fingerprint collation unit, and the like.
[0034]
When the finger f is inserted into the housing section 19, the finger f faces the fingerprint input section 23, and the finger f can be pressed against the fingerprint input section 23 as it is to input fingerprint data. When the finger f is pressed against the fingerprint input unit 23, since the static electricity of the operator has been removed in advance as described above, the fingerprint matching unit 23 can be protected from the static electricity. The input fingerprint data is collated with the registered fingerprint data registered in advance by the fingerprint collation unit, and when the personal authentication is successful, the electric door lock of the locking device 3 is automatically unlocked.
[0035]
When the finger f is pulled out of the accommodating portion 19, the opening / closing body 25 automatically returns to a state in which the opening 21 is closed as shown in FIG. By the automatic return of the opening / closing body 25, the switch 41 is linked, and the power supply circuit is automatically cut off. Therefore, the power supply circuit is not forgotten and the waste of power can be reduced by a very simple and inexpensive configuration, and the life of the battery 39 can be extended.
[0036]
When the electric door lock of the locking device 3 is unlocked, the door 9 can be opened by operating the lever 9 as shown in FIG.
[0037]
In this manner, in the above-described embodiment, the operator can ground the static electricity of the operator by a very natural operation of inserting the finger f into the housing portion 19, perform the fingerprint collation operation by turning on the power supply circuit, and improve the operability. Significantly improved. That is, when inputting fingerprint data with the fingerprint input unit 23, the fingerprint data can be input only by pressing the opening / closing body 25 and inserting a finger into the housing unit 19, thereby further improving operability. be able to.
[0038]
Further, since the power supply circuit is turned on and off by opening and closing the opening and closing body 25, there is no need to press the fingerprint input unit 23, and the fingerprint input unit 23 is not easily damaged, and the durability thereof can be improved.
[0039]
Furthermore, there is no need to use a timer or the like to turn off the power supply circuit, and the device can be manufactured at low cost.
[0040]
Furthermore, since the torque spring 31 is provided as an urging member for urging the opening / closing body 25 to the position where the opening 21 is closed, when the finger is pulled out from the housing portion 19, the opening / closing body 25 automatically moves to the position where the opening 21 is closed. And the power supply circuit can be automatically turned off. Therefore, waste of power can be reliably suppressed, and when a battery is used as a power source, the life thereof can be reliably increased.
[0041]
FIG. 6 and FIG. 7 are applied to a network type locking device. FIG. 6 is an explanatory diagram showing the locking device 3A configured as a network, and FIG. 7 is a front view of the operation unit.
[0042]
As shown in FIG. 6, each operation unit 43A, 43B, 43C is attached to each door 1A, 1B, 1C, connected to a host computer 45, and each operation unit 43A, 43B, 43C is managed by the host computer 45. It was made possible.
[0043]
The operation units 43A, 43B and 43C have the same configuration, and include a fingerprint collation unit 51 in addition to the LCD panel 47 and the registration button 49 as shown in FIG. The fingerprint collation unit 51 includes an opening / closing body 53. The configurations of the fingerprint matching unit 51 and the opening / closing body 53 are the same as those of the fingerprint matching unit 11 and the opening / closing body 25.
[0044]
Therefore, the same effects can be obtained with the network type shown in FIGS.
[0045]
In the above-described embodiment, the torque spring 31 is provided. However, the torque spring 31 may be omitted and the opening 21 may be automatically returned to a position where the opening 21 is closed by its own weight. In this case, the opening 21 can be reliably closed by moving the center of gravity to the lower side of the opening / closing body 25.
[0046]
The opening and closing body 25 can be formed of a material other than a conductive material. Although the opening / closing body is supported so as to be able to be pushed and opened so as to be pushed into the housing portion 19, it is also possible to adopt a configuration in which the opening 21 is opened by pulling the opening / closing body outside the housing portion 19.
[Brief description of the drawings]
FIG. 1 is an enlarged perspective view of a main part of a door according to an embodiment of the present invention.
FIGS. 2A and 2B are enlarged cross-sectional views of a main part before a finger is inserted, and FIGS. 2B and 2B are enlarged cross-sectional views of a main part after a finger is inserted.
FIG. 3 is a circuit diagram according to one embodiment.
FIG. 4 is a front view of an essential part in a finger insertion state according to the embodiment;
FIG. 5 is a perspective view of a main part in a door open state according to the embodiment;
FIG. 6 is an explanatory diagram showing a network configuration according to another embodiment of the present invention.
FIG. 7 is a front view of an operation unit according to another embodiment.
FIG. 8 is a front view of a main part of a door according to a conventional example.
FIG. 9 is a perspective view of an operation unit according to a conventional example.
[Explanation of symbols]
3 Locking device 19 Housing 21 Opening 23 Fingerprint input unit 25 Opening / closing body 31 Torque spring (biasing member)
39 batteries (power supply)
41 switch

Claims (3)

A fingerprint input unit and a fingerprint matching unit are provided. Fingerprint data is input by the fingerprint input unit, and the input fingerprint data is compared with registered fingerprint data registered in advance by the fingerprint matching unit to perform personal authentication. In a locking device that allows unlocking when possible
Providing a housing unit for housing the fingerprint input unit,
Providing an opening / closing body for opening and closing the storage section,
A switch of a power circuit is interlocked with the opening / closing body,
A locking device, wherein the power supply circuit is configured to be turned ON / OFF by opening / closing the opening / closing body. The locking device according to claim 1,
A locking device, wherein the opening and closing body is formed of a conductive material and grounded. The locking device according to claim 1 or 2,
The housing portion is formed in a shape to insert a finger from an opening,
The fingerprint input unit is accommodated in the accommodation unit by being positioned in a direction crossing the insertion direction,
Supporting the opening and closing body so that it can be pushed open so as to be pushed into the housing portion,
A locking device, further comprising an urging member for urging the opening / closing body to a position for closing the opening.

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